CVE-2019-14880: Moodle/moodle Moodle Oauth 2 Insufficiently Protects Vulnerability

CRITICAL
Advisory Identifier: GHSA-rv62-6f56-j83w
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CVSS 9.1
CWE-287
Published
Advisory Summary

CVE-2019-14880 is a CRITICAL (CVSS 9.1) moodle oauth 2 insufficiently protects vulnerability (CWE-287: Improper Authentication) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle oauth 2 insufficiently protects against compromise. Remediation is available by upgrading affected packages to version 3.7.3, 3.6.7, 3.5.9.

CVE-2019-14880 at a Glance

CVE Identifier CVE-2019-14880
GHSA Identifier GHSA-rv62-6f56-j83w
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-287: Improper Authentication
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2019-14880

To remediate this vulnerability, upgrade all affected Moodle/moodle dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

moodle/moodle fixed: 3.7.3 
Upgrade moodle/moodle to 3.7.3
moodle/moodle fixed: 3.6.7 
Upgrade moodle/moodle to 3.6.7
moodle/moodle fixed: 3.5.9 
Upgrade moodle/moodle to 3.5.9
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for moodle/moodle

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-14880, inspect your project dependencies for Moodle/moodle:

inspect dependencies for moodle/moodle

Analyze the terminal output to locate any version of Moodle/moodle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.7.3), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Moodle/moodle, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.

CVE-2019-14880 Affected Moodle/moodle Versions

3 component(s)
Fixed Versions:
3.7.33.6.73.5.9
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
≥ 3.7.0
< 3.7.3
3.7.3
moodle/moodle
 Packagist
≥ 3.6.0
< 3.6.7
3.6.7
moodle/moodle
 Packagist
≥ 3.5.0
< 3.5.9
3.5.9

References

NVD — CVE-2019-14880 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14880
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880
Moodle/moodle Source Repository REPOSITORY
https://github.com/moodle/moodle

Frequently Asked Questions

What is CVE-2019-14880?
CVE-2019-14880 is a security vulnerability in Moodle/moodle involving Moodle Oauth 2 Insufficiently Protects Against Compromise under CWE-287: Improper Authentication.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 3.7.3, 3.6.7, 3.5.9 across affected packages: moodle/moodle.
What version fixes CVE-2019-14880?
Upgrading to 3.7.3, 3.6.7, 3.5.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is moodle/moodle affected?
Yes, moodle/moodle is affected in releases prior to 3.7.3, 3.6.7, 3.5.9. Upgrade your dependency to 3.7.3, 3.6.7, 3.5.9 or later.
What is the CVSS score of CVE-2019-14880?
CVE-2019-14880 has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2019-14880?
CVE-2019-14880 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check Packagist dependencies for CVE-2019-14880?
Run the dependency tree command: 'inspect dependencies for moodle/moodle'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rv62-6f56-j83w",
  "modified" : "2023-09-28T19:53:32Z",
  "published" : "2022-05-24T17:12:57Z",
  "aliases" : [ "CVE-2019-14880" ],
  "summary" : "Moodle Oauth 2 Insufficiently Protects Against Compromise",
  "details" : "A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.7.0"
      }, {
        "fixed" : "3.7.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.6.0"
      }, {
        "fixed" : "3.6.7"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.5.0"
      }, {
        "fixed" : "3.5.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-14880"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moodle/moodle"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-18T22:40:18Z",
    "nvd_published_at" : "2020-03-31T16:15:00Z"
  }
}